McCormick X7 VT-Drive

Coolant capacity & service interval

McCormick X7 VT-Drive uses coolant with a capacity of 27 liters. Service intervals include checking every 10 hours and changing every 1000 hours or 12 months up to 2000 hours or 24 months. The data covers 10 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
X7.418 VT-Drive, Stage V (2022- )
  • Use: Normal
  • Capacity 27 liter
  • Change 2000 hours/ 24 months
X7.618 VT-Drive, Stage V (2022- )
  • Use: Normal
  • Capacity 27 liter
  • Change 2000 hours/ 24 months
X7.621 VT-Drive, Stage V (2020- )
  • Use: Normal
  • Capacity 27 liter
  • Change 2000 hours/ 24 months
X7.623 VT-Drive, Stage V (2020- )
  • Use: Normal
  • Capacity 27 liter
  • Change 2000 hours/ 24 months
X7.624 VT-Drive, Stage V (2020- )
  • Use: Normal
  • Capacity 27 liter
  • Change 2000 hours/ 24 months
X7.660 VT-Drive, T4i / IIIB (2016-2020)
  • Use: Normal
  • Capacity 27 liter
  • Check 10 hours
  • Change 1000 hours/ 12 months
X7.670 VT-Drive, T4i / IIIB (2016-2020)
  • Use: Normal
  • Capacity 27 liter
  • Check 10 hours
  • Change 1000 hours/ 12 months
X7.440 VT-Drive, T4i / IIIB (2013-2020)
  • Use: Normal
  • Capacity 27 liter
  • Change 2000 hours/ 24 months
X7.450 VT-Drive, T4i / IIIB (2013-2020)
  • Use: Normal
  • Capacity 27 liter
  • Change 2000 hours/ 24 months
X7.460 VT-Drive, T4i / IIIB (2013-2020)
  • Use: Normal
  • Capacity 27 liter
  • Change 2000 hours/ 24 months

Additional Notes

  • Across all McCormick X7 VT-Drive configurations listed, the cooling system capacity is uniformly 27 liters, a volume consistent with large-displacement agricultural tractor engines where extended coolant passages through the block, head, and auxiliary circuits account for significant fluid volume.
  • The T4i / IIIB variants of the X7.440, X7.450, and X7.460, covering model years 2013-2020, share a 2000-hour or 24-month coolant change interval under normal use conditions, whichever threshold is reached first.
  • The Stage V variants of the X7.621, X7.623, and X7.624, introduced from 2020, also carry the 2000-hour or 24-month change interval, matching the interval structure of the earlier T4i / IIIB four-cylinder models despite the emissions standard difference.
  • The X7.618 and X7.618 Stage V configurations, both starting from 2022, retain the same 27-liter capacity and 2000-hour or 24-month change interval seen across the broader X7 VT-Drive range.
  • The X7.660 and X7.670 VT-Drive T4i / IIIB models, covering 2016-2020, carry a notably shorter coolant change interval of 1000 hours or 12 months under normal use conditions, half the interval specified for the other T4i / IIIB variants in the same lineup.
  • In addition to the shorter change interval, the X7.660 and X7.670 specifications include a coolant level check at 10 hours of operation, a break-in period inspection not listed for any other configuration in the range.
  • The dual-threshold interval structure, expressed as hours or months, reflects standard agricultural equipment servicing practice where seasonal or low-utilization machines may reach the calendar limit well before the hour meter reaches the specified threshold.

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